FREE SHIPPING on orders over $100 to Eastern United States!

Mr. Cool DIY-18-HP-230B 20 SEER Do-It-Yourself 750 sq. ft. Ductless Mini-Split

  • $2,203.55

Call for remaining inventory

DIY-18-HP-230B has been discontinued
This product was discontinued and now has a direct replacement.

Add to Wish List

Compare this Product

Availability: Discontinued

Brand: Mr. Cool

Product Code: DIY-18-HP-230B

SKU: DIY-18-HP-230B

Product views: 12694

Product Accessories

Image Product Price Quantity Action
Rectorseal 87745 Universal Brackets Rectorseal 87745 Universal Brackets
Rectorseal WBB300SS Wall Mounting Mini-Split Condenser Stainless Bracket Rectorseal WBB300SS Wall Mounting Mini-Split Condenser Stainless Bracket


DIY Enhanced 18,000 BTU 1.5 Ton Ductless Mini-Split Air Conditioner & Heat Pump - 208-230V/60Hz, 20 SEER, Single Zone

The Mr. Cool DIY split system heat pumps are the only mini-split systems designed for homeowner installation.  There are no special tools required, everything is included.  The package comes with easy hook-up connections and the installation time is a few hours.  Works with Amazon Alexa and Google.  Functions with Apple and Android smart phones.


  • 7-Year Compressor, 5-Year Parts and 1-Year Remote warranty when registered
  • The new DIY Enhanced systems include our SmartHVAC WiFi Control Module with improved setup and enhanced functionality for Apple and Android smart devices. Works with Amazon Alexa. Works with Google Assistant.
  • DC inverter and variable speed compressor technology minimizes operating costs
  • Refrigerant leakage detection ensures your system remains operating efficiently without degradation due to undetected corrosion
  • MRCOOL DIY temperature compensation technology help keeps you comfortable in any weather conditions
  • Low ambient cooling: cooling down to 5
  • Gold fin condenser: corrosion resistant - live on the coast? don't worry, our condenser is built to resist long term corrosion
  • 20 SEER
  • 12.5 EER
  • 10 HSPF
  • 18,000 BTU Cooling/ 18,000 BTU Heating
  • R410A Refrigerant

This model is used for max heat/cool of 750 square feet.  Includes components DIY-18-HP-C-230B, DIY-18-HP-WMAH-230B & items pictured (remote, 25' lineset, connections).

Thumb File information
pdf-50x50.png 3rd Gen Brochure.pdf 1.17MB 202
pdf-50x50.png 3rd Gen Owner Manual.pdf 4.26MB 173
pdf-50x50.png 3rd Gen Install Manual.pdf 4.26MB 180
pdf-50x50.png 3rd Gen Remote Manual.pdf 9.23MB 115


There are no reviews for this product.

  • 0%
  • 0%
  • 0%
  • 0%
  • 0%

Reviews Over Mr. Cool DIY-18-HP-230B 20 SEER Do-It-Yourself 750 sq. ft. Ductless Mini-Split

Total Reviews (0)
click here write review to add review for this product.